Domain

1. Domain Registry

1.1. It is a database

1.1.1. .com

1.1.2. .sv

1.1.3. .edu

2. Registrant

2.1. It is the actual person or entity who owns the domain

3. Domain Registrar

3.1. Entity where you purchase the domain

3.1.1. Godaddy

3.1.2. Bluehost

3.1.3. Google

4. Domain Host

4.1. provides the space used for hosting the DNS records

4.2. NS records will point to your domain host

5. Web Host

5.1. provides the space used for hosting the website content and information